000 00305nam a2200133Ia 4500
008 211209s2019 xx 000 0 und d
020 _a9781838649982
041 _aeng
082 _a005.824
100 _aBAEST, SALMAN A
245 _aBLOCK CHAIN DEVELOPMENT
260 _bPACKT
_c2019
300 _a615
999 _c110377
_d110377